<!DOCTYPE html>
<html>
<head>
	<title></title>
	<style type="text/css">
		body {
			font-size: 100px;
		}
/*		div {
			width: 400px;
			height: 400px;
			transition: all 1s;
			background: #00f;
		}*/
	</style>
</head>
<body>
	<!-- <div></div> -->
	<script src="./4.js"></script>
</body>
</html>